Mathematics, 06.05.2020 02:12 emmacox069
The quality-control manager at a compact fluorescent light bulb (CFL) factory needs to determine whether the mean life of a large shipment of CFLs is equal to 7520 hours. The population standard deviation is 1 comma 120 hours . A random sample of 64 light bulbs indicates a sample mean life of 7 comma 324 hours.
Answers: 2
Mathematics, 21.06.2019 18:30
Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.
Answers: 1
Mathematics, 21.06.2019 22:00
Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.
Answers: 1
Mathematics, 21.06.2019 22:20
Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m
Answers: 1
Mathematics, 21.06.2019 23:30
Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section
Answers: 1
The quality-control manager at a compact fluorescent light bulb (CFL) factory needs to determine whe...
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